Find the final output of this proposition (((p ∨ q) → (r ∧ s)) ↔ ¬(¬t ↔ q)).

Find the area of shaded region z=-0.89

Many colleges review students’ scores on the _ or _ before deciding whether to offer them admission.

Which of the following must happen in order for productivity to increase? a. production levels remain unchanged while inputs increase. b. production levels rise while inputs decrease. c. production levels fall while inputs increase.